All Questions
Tagged with radio telescopes
8 questions
6
votes
1
answer
704
views
Why are radio telescopes in orbit radio telescopes?
We use radio telescopes on Earth because of the atmosphere, right? It blocks the more energetic wavelengths but not radio waves and microwaves. So, since radiation like x-ray and gamma radiation are ...
0
votes
0
answers
89
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Building a radio telescope!
So, I saw recently the idea of a radio telescope and thought how simple they are. So, like any other normal human being, I went on google and searched "how to make a radio telescope" and ...
1
vote
0
answers
28
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Is it possible to filter radio-waves using another radio telescope?
When making an observation using a radio telescope, is it possible to filter out noise coming out from a known source by using another telescope that will focus on that noise source?
By filtering, I ...
- 2,167
6
votes
3
answers
706
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How did Jocelyn Bell aim her radio telescope (phased array)?
In 1967 Jocelyn Bell discovered pulsars using the Cambridge University radio telescope - a two hectare field of posts and wires.
The pulsar was found to be in the constellation Vulpecula. How did ...
- 3,089
1
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2
answers
126
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Can the radio telescope LOFAR detect fast radio bursts?
Can the radio telescope LOFAR detect fast radio bursts (FRBs)?
- 297
4
votes
1
answer
2k
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Radio vs optical telescope imaging
As I understand, the visible light from an optical telescope is focused on a sensor which correlates light exposure to an electrical voltage, which is then converted to an image.
A single antenna ...
- 43
11
votes
3
answers
3k
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Why is this radio telescope's reflector spherical and not parabolic?
This is the Arecibo Observatory in Arecibo, Puerto Rico. Its reflector is spherical, measuring 1,001 ft. in diameter. It is considered the most sensitive radio telescope on Earth, but the fact that ...
Frank Computer
8
votes
1
answer
206
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Where can I find information for how to create amateur radio telescope?
Where can I find good source of information for how to create amateur radio telescope.
Particularly interested in creating Fresnel Zone Plate Antennas (aka flat dish).
design, diagrams, electronics.
...
- 181